Equivalency of multiple beams and multiple phase centres for digital beamforming SAR systems

Conference paper (2014)

Authors

Sebastian Bertl Deutsches Zentrum für Luft- und Raumfahrt (DLR)

Paco López-Dekker Deutsches Zentrum für Luft- und Raumfahrt (DLR)

Marwan Younis Deutsches Zentrum für Luft- und Raumfahrt (DLR)

Gerhard Krieger Deutsches Zentrum für Luft- und Raumfahrt (DLR)

Research Group

Mathematical Geodesy and Positioning () (TU Delft)

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Published Date

2014

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Geoscience and Remote Sensing

Research Group

Mathematical Geodesy and Positioning

Abstract

In this paper the flexibility in modifying the resulting antenna characteristics in terms of location of phase centres and aperture widths, independent of the antenna type used by applying linear combinations of digital beams is discussed. Especially a parabolic reflector can be considered to have the same properties as a Direct Radiating Array (DRA) when used for SAR applications like along-track interferometry.